On-Dot Couriers & Cargo — misplace my courier

Dear sir,
With due respect i would like to inform you that a precious parcel was sent through your courier to my office address m/s willowood crop sciences pvt ltd, c/o hind agrochem services 1st floor, sfc 31-32, new grain market gill road, back side arora palace, ludhiana 141003. From amritsar on date 8th july 2020. It has not yet been delivered to my office. I visit your amritsar courier service office and they told me that my parcel is misplace by your ludhiana staff. That courier have my most important documents value of 45000 rs. So please be kind enough to look into the matter at the earliest and take the remedial steps as soon as possible.